MCC200: set default configuration to low_boot DDR,

and support for configurable options high_boot and/or SDRAM.

CHANGELOG

@@ -2,6 +2,9 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* MCC200: set default configuration to low_boot DDR,
+  and support for configurable options high_boot and/or SDRAM.   
+
 * Add support for 256 MB SDRAM on CPU87
   Patch by Josef Wagner, 25 Nov 2005
 

Makefile

@@ -323,13 +323,25 @@ lite5200b_LOWBOOT_config:	unconfig
 	@./mkconfig -a IceCube  ppc mpc5xxx icecube
 
 mcc200_config	\
-mcc200_lowboot_config:	unconfig
+mcc200_SDRAM	\
+mcc200_highboot	\
+mcc200_highboot_SDRAM:	unconfig
 	@ >include/config.h
-	@[ -z "$(findstring lowboot_,$@)" ] || \
-		{ echo "TEXT_BASE = 0xFC000000" >board/mcc200/config.tmp ; \
-		  echo "... with lowboot configuration" ; \
+	@[ -n "$(findstring highboot,$@)" ] || \
+		{ echo "... with lowboot configuration" ; \
+		}
+	@[ -z "$(findstring highboot,$@)" ] || \
+		{ echo "TEXT_BASE = 0xFFF00000" >board/mcc200/config.tmp ; \
+		  echo "... with highboot configuration" ; \
+		}
+	@[ -n "$(findstring _SDRAM,$@)" ] || \
+		{ echo "... with DDR" ; \
+		}
+	@[ -z "$(findstring _SDRAM,$@)" ] || \
+		{ echo "#define CONFIG_MCC200_SDRAM"	>>include/config.h ; \
+		  echo "... with SDRAM" ; \
 		}
-	@./mkconfig mcc200 ppc mpc5xxx mcc200
+	@./mkconfig -a mcc200 ppc mpc5xxx mcc200
 
 o2dnt_config:
 	@./mkconfig o2dnt ppc mpc5xxx o2dnt

board/mcc200/config.mk

@@ -26,16 +26,18 @@
 #
 #	Valid values for TEXT_BASE are:
 #
-#	0xFFF00000   boot high (standard configuration)
-#	0xFE000000   boot low
+#	0xFC000000   boot low (standard configuration)
+#	0xFFF00000   boot high
 #	0x00100000   boot from RAM (for testing only)
 #
 
 sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
 
 ifndef TEXT_BASE
-## Standard: boot high
-TEXT_BASE = 0xFFF00000
+## Standard: boot low
+TEXT_BASE = 0xFC000000
+## Boot high
+# TEXT_BASE = 0xFFF00000
 ## For testing: boot from RAM
 # TEXT_BASE = 0x00100000
 endif

board/mcc200/mcc200.c

@@ -32,7 +32,12 @@
 /* #include "mt48lc8m32b2-6-7.h" */
 
 /* One MT48LC16M32S2 for 64 MB */
-#include "mt48lc16m32s2-75.h"
+/* #include "mt48lc16m32s2-75.h" */
+#if defined (CONFIG_MCC200_SDRAM)
+#include "mt48lc16m16a2-75.h"
+#else
+#include "mt46v16m16-75.h"
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;